diff --git a/entrypoint.sh b/entrypoint.sh
index bb00a7d..ddde06a 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 set -e
 
-if [[ $DEBUG == true ]]; then
+if [[ "$DEBUG" == "true" ]]; then
   set -x
 fi